## Design A Bilingual Shiny Application

October 17, 2014
By

(This article was first published on Category: R | Huidong Tian's Blog, and kindly contributed to R-bloggers) It’s a common requirement that your Shiny application should be bilingual. I have tried several methods and finally I got one which is not so difficult to maintain. My idea is: Create a bilingual dictionary or a lookup table which contains three...

## R User Groups and "after hours" Creativity

October 16, 2014
By

by Joseph Rickert There is something about R user group meetings that both encourages, and nourshies a certain kind of "after hours" creativity. Maybe it is the pressure of having to make a presentation about stuff you do at work interesting to a general audience, or maybe it is just the desire to reach a high level of play....

## MilanoR meeting: call for presentations

October 16, 2014
By

MilanoR staff is organizing the next MilanoR meeting. T

## Where do I start using Bioconductor?

October 15, 2014
By

I was recently asked where do I get started with Bioconductor? and thought this would be a good short post. What is BioC? Briefly, Bioconductor (Gentleman, Carey, Bates, and others, 2004) is an open source project that hosts a wide range of tools for...

## Beware Graphical Networks from Rating Scales without Concrete Referents

October 15, 2014
By

We think of latent variables as hidden causes for the correlations among observed measures and rely on factor analysis to reveal the underlying structure. In a previous post, I borrowed an alternative metaphor from the R package qgraph and produce...

## a bootstrap likelihood approach to Bayesian computation

October 15, 2014
By

This paper by Weixuan Zhu, Juan Miguel Marín , and Fabrizio Leisen proposes an alternative to our 2013 PNAS paper with Kerrie Mengersen and Pierre Pudlo on empirical likelihood ABC, or BCel. The alternative is based on Davison, Hinkley and Worton’s (1992)

## Rules of thumb to predict how long you will live

October 15, 2014
By

Figure out how long you will live with these rules of thumb. The post Rules of thumb to predict how long you will live appeared first on Decision Science News.

## JJ Allaire, the useR! 2014 interview

October 15, 2014
By

JJ Allaire has courageously bet, time and time again, on the cutting edge of technologies....

## Structural “Arbitrage”: Trading the Equity Curve

October 15, 2014
By

The last post demonstrated that far from being a world-beating, absolutely amazing strategy, that Harry Long’s Structural “Arbitrage”, was in … Continue reading →

## splitstackshape V1.4.0 for R

October 15, 2014
By

After more than a year since splitstackshape V1.2.0, I’ve finally gotten around to making some major updates and submitting the package to CRAN. So, if you have messed up datasets filled with concatenated cells of data, and you need to split that data up and reorganize it for later analysis, install and load the latest

## Introducing Revolution R Open and Revolution R Plus

October 15, 2014
By

For the past 7 years, Revolution Analytics has been the leading provider of R-based software and services to companies around the globe. Today, we're excited to announce a new, enhanced R distribution for everyone: Revolution R Open. Revolution R Open is a downstream distribution of R from the R Foundation for Statistical Computing. It's built on the R 3.1.1...

## The Generalized Lambda Distribution and GLDEX Package for Fitting Financial Return Data – Part 2

October 14, 2014
By

Part 2 of a series by Daniel Hanson, with contributions by Steve Su (author of the GLDEX package) Recap of Part 1 In our previous article, we introduced the four-parameter Generalized Lambda Distribution (GLD) and looked at fitting a 20-year set of returns from the Wilshire 5000 Index, comparing the results of two methods, namely the Method of Moments,...

## googleVis 0.5.6 released on CRAN

October 14, 2014
By

Version 0.5.6 of googleVis was released on CRAN over the weekend. This version fixes a bug in gvisMotionChart. Its arguments xvar, yvar, sizevar and colorvar were not always picked up correctly. Thanks to Juuso Parkkinen for reporting this issue.Exampl...

## analogue 0.14-0 released

October 14, 2014
By

A couple of week’s ago I packaged up a new release of analogue, which is available from CRAN. Version 0.14-0 is a smaller update than the changes released in 0.12-0 and sees a continuation of the changes to dependencies to have packages in Imports rather than Depends. The main development of analogue now takes place on github...

## analyze the public libraries survey (pls) with r

October 14, 2014
By

each and every year, the institute of museum and library services coaxes librarians around the country to put down their handheld "shhhh..." sign and fill out a detailed online questionnaire about their central library, branch, even bookmobile.  t...

October 13, 2014
By

## Analyze Instagram with R

October 13, 2014
By

This tutorial will show you how you create an Instagram app, create an authentication process with R and get data via the Instagram API. There is no R package for this yet so we... The post Analyze Instagram with R appeared first on ThinkToStart.

## New Course! A hands-on introduction to statistics with R by A. Conway (Princeton University)

October 13, 2014
By

The best way to learn is at your own pace. Combining the interactive R learning environment of DataCamp and the expertise of Prof. Conway of Princeton, we offer you an extensive online course on introductory statistics with R.  Start learning now… Whether you are a professional using statistics in your job, an academic wanting a

## Hadley Wickham’s dplyr tutorial at useR! 2014, Part 1

October 13, 2014
By

Hadley Wickham (perhaps you’ve heard of his work) presented a 2 hour workshop on dplyr...

## Hadley Wickham presents dplyr at useR! 2014

October 13, 2014
By

Hadley Wickham is hard at work, releasing packages which leverage the expressive power of R...

## Introducing the Reproducible R Toolkit and the checkpoint package

October 13, 2014
By

The ability to create reproducible research is an important topic for many users of R. So important, that several groups in the R community have tackled this problem. Notably, packrat from RStudio, and gRAN from Genentech (see our previous blog post). The Reproducible R Toolkit is a new open-source initiative from Revolution Analytics. It takes a simple approach to...

## dplyr 0.3

October 13, 2014
By

I’m very pleased to announce that dplyr 0.3 is now available from CRAN. Get the latest version by running: install.packages("dplyr") There are four major new features: Four new high-level verbs: distinct(), slice(), rename(), and transmute(). Three new helper functions between, count(), and data_frame(). More flexible join specifications. Support for row-based set operations. There are two

## Sensitivity and Elasticity of seasonal matrix model

October 13, 2014
By

The previous article introduced the seasonal matrices and the population growth rate λ of imaginary annual plant.  In this article, let’s try the sensitivity analysis of these matrices and the … Continue reading →

## Do Political Scientists Care About Effect Sizes: Replication and Type M Errors

October 13, 2014
By

Reproducibility has come a long way in political science since I began my PhD all the way back in 2008. Many major journals now require replication materials be made available either on their websites or some service such as the Dataverse Network.This ...

## Beautiful Curves: The Harmonograph

October 12, 2014
By

Each of us has their own mappa mundi (Gala, my indispensable friend) The harmonograph is a mechanism which, by means of several pendulums, draws trajectories that can be analyzed not only from a mathematical point of view but also from an artistic one. In its double pendulum version, one pendulum moves a pencil and the